bansesYes - bus best for transport, same like in USA. Nothing strange even today, and not at 1980 or before. What is more interesting, is how much Russia and Soviet advanced in cosmos exploring over other capitalistic and democratic states!? Your set is about "Salyut 6", "Soyuz 36", "Soyuz 37" - set of three value, minimal catalog value of 1.00 $ per set, mint, nh.